Please refer to http://pro.grohe.com/  prevails for all spare parts matching information. Bellowed are for reference only.

Grohe 1000 Cosmopolitan bar mixer shower only – low pressure
Grohe 34323002 Grohtherm 1000 Cosmopolitan M Thermostatic bath/shower mixer 1/2″
Grohe 34195001 Grohtherm 2000 bar mixer shower
Grohe 34169001 Grohtherm 2000 new bar mixer shower
Grohe 34274 Grohtherm 3000 Cosmopolitan Cooltouch bar mixer shower
Grohe 34562 Grohtherm 800 thermostatic bar shower mixer
Grohe 34569 Grohtherm 800 thermostatic bath/shower mixer
Grohe 34205 Grohtherm Auto 2000 Special bar mixer shower
Grohe 34488 Grohtherm Cube Thermostatic shower mixer 1/2″
Grohe 34537 Wave Cosmopolitan bar shower mixer
Grohtherm 34446001 2000 New bar mixer shower – 1/2″
Grohtherm 34146003 Auto 1000 New bar mixer shower
Grohe 21781 Clova Mono basin tap
Grohe 30190 Ambi Cosmopolitan Two Handle Sink Mixer 1/2″ – Chrome
Grohe 30190 Ambi Cosmopolitan Two Handle Sink Mixer 1/2″ – Chrome
Grohe 30489 Ambi Cosmopolitan two handle sink mixer 1/2″ – chrome
Grohe 30189 Ambi Two Handle Sink Mixer – Chrome
Grohe 30192 Atrio sink mixer – 1/2″
Grohe 30362AL0 Atrio Two Handle Sink Mixer 1/2″ – Brushed Hard Graphite
Grohe 30362 Atrio Two Handle Sink Mixer 1/2″ – Chrome
Grohe 30362DC0 Atrio Two Handle Sink Mixer 1/2″ – Supersteel
Grohe 31345DC2 Blue Pure Minta
Grohe 30098001Costa L Bibtap 1/2″ – Chrome
Grohe 31829001 Costa L Sink Mixer – Chrome
Grohe 31831001 Costa L Sink Mixer – Chrome
Grohe 31930001 Costa L Sink Mixer 1/2″ – Chrome
Grohe 31186001 Costa L Wall Sink Mixer – Chrome
Grohe 31187001 Costa L Wall Sink Mixer 1/2″ – Chrome
Grohe 31067001 Costa S Sink Mixer – Chrome
Grohe 31819001 Costa S Sink Mixer – Chrome
Grohe 19416 2000 special Grohtherm
Grohe 25767 Clova bath/shower mixer 3/4″
Grohe 19682 Europlus mixer shower with flow control
Grohe 34575001 Grohtherm 1000 concealed shower set
Grohe 19984 Grohtherm 1000 thermostatic shower trim – chrome
Grohe 19568 Grohtherm 3000 Cosmopolitan trim set – chrome
Grohe 19605 Grohtherm Auto 2000
Grohe 27004 freehander exposed feed